10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
Monthly weather forecast in Spearfish
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
25
+26
+19
25 August, sun
+26
+19
Feels like
+24
667 mmHg
41%
5.8
m/s
S
25 August, Sunday. day, 26°; night, 19°; clear
26
+26
+19
26 August, mon
+26
+19
Feels like
+24
666 mmHg
41%
6.9
m/s
W
26 August, Monday. day, 26°; night, 19°; clear
27
+26
+20
27 August, tue
+26
+20
Feels like
+23
666 mmHg
38%
6
m/s
S
27 August, Tuesday. day, 26°; night, 20°; clear
28
+26
+21
28 August, wed
+26
+21
Feels like
+23
666 mmHg
37%
6
m/s
SE
28 August, Wednesday. day, 26°; night, 21°; clear
29
August
+24
+13
29 August, thu
+24
+13
Feels like
+14
673 mmHg
43%
7.4
m/s
W
Climate normal
+27
+19
29 August, Thursday. day, 24°; night, 13°; mostly clear
30
+30
+17
30 August, fri
+30
+17
Feels like
+22
675 mmHg
39%
3.5
m/s
SW
Climate normal
+24
+19
30 August, Friday. day, 30°; night, 17°; clear
31
+30
+14
31 August, sat
+30
+14
Feels like
+24
674 mmHg
36%
3.7
m/s
N
Climate normal
+24
+17
31 August, Saturday. day, 30°; night, 14°; clear
1 September
+30
+22
1 September, sun
+30
+22
Feels like
+20
677 mmHg
46%
7.9
m/s
SE
Climate normal
+25
+17
1 September, Sunday. day, 30°; night, 22°; mostly clear
2
+35
+20
2 September, mon
+35
+20
Feels like
+25
673 mmHg
30%
3.9
m/s
SW
Climate normal
+24
+16
2 September, Monday. day, 35°; night, 20°; thunderstorm
3
+34
+19
3 September, tue
+34
+19
Feels like
+26
674 mmHg
30%
4.3
m/s
SW
Climate normal
+22
+16
3 September, Tuesday. day, 34°; night, 19°; partly cloudy
4
+27
+16
4 September, wed
+27
+16
Feels like
+20
676 mmHg
53%
5.8
m/s
N
Climate normal
+23
+16
4 September, Wednesday. day, 27°; night, 16°; light rain
5
+26
+14
5 September, thu
+26
+14
Feels like
+19
675 mmHg
61%
4.8
m/s
NW
Climate normal
+21
+15
5 September, Thursday. day, 26°; night, 14°; mostly clear
6
+27
+15
6 September, fri
+27
+15
Feels like
+19
672 mmHg
50%
4.7
m/s
NW
Climate normal
+21
+15
6 September, Friday. day, 27°; night, 15°; mostly clear
7
+24
+13
7 September, sat
+24
+13
Feels like
+16
672 mmHg
48%
4.2
m/s
W
Climate normal
+21
+16
7 September, Saturday. day, 24°; night, 13°; partly cloudy
8
+25
+13
8 September, sun
+25
+13
Feels like
+17
670 mmHg
44%
4.1
m/s
W
Climate normal
+21
+14
8 September, Sunday. day, 25°; night, 13°; clear
9
+25
+14
9 September, mon
+25
+14
Feels like
+16
670 mmHg
41%
4.5
m/s
W
Climate normal
+20
+14
9 September, Monday. day, 25°; night, 14°; clear
10
+24
+16
10 September, tue
+24
+16
Feels like
+16
661 mmHg
43%
4.1
m/s
SE
Climate normal
+20
+15
10 September, Tuesday. day, 24°; night, 16°; clear
11
+24
+17
11 September, wed
+24
+17
Feels like
+17
659 mmHg
50%
4.5
m/s
SE
Climate normal
+20
+14
11 September, Wednesday. day, 24°; night, 17°; clear
12
+22
+15
12 September, thu
+22
+15
Feels like
+16
659 mmHg
62%
4.6
m/s
SE
Climate normal
+19
+13
12 September, Thursday. day, 22°; night, 15°; light rain
13
+22
+15
13 September, fri
+22
+15
Feels like
+17
659 mmHg
62%
3.7
m/s
E
Climate normal
+18
+12
13 September, Friday. day, 22°; night, 15°; clear
14
+22
+15
14 September, sat
+22
+15
Feels like
+15
659 mmHg
59%
4.2
m/s
E
Climate normal
+18
+12
14 September, Saturday. day, 22°; night, 15°; clear
15
+22
+14
15 September, sun
+22
+14
Feels like
+15
659 mmHg
58%
4
m/s
SE
Climate normal
+20
+14
15 September, Sunday. day, 22°; night, 14°; clear
16
+21
+13
16 September, mon
+21
+13
Feels like
+14
661 mmHg
55%
3.8
m/s
E
Climate normal
+20
+13
16 September, Monday. day, 21°; night, 13°; clear
17
+22
+12
17 September, tue
+22
+12
Feels like
+15
662 mmHg
51%
2
m/s
E
Climate normal
+20
+15
17 September, Tuesday. day, 22°; night, 12°; clear
18
+22
+11
18 September, wed
+22
+11
Feels like
+13
658 mmHg
47%
6.6
m/s
NW
Climate normal
+20
+14
18 September, Wednesday. day, 22°; night, 11°; mostly clear
19
+12
+9
19 September, thu
+12
+9
Feels like
+4
661 mmHg
55%
5.5
m/s
N
Climate normal
+19
+13
19 September, Thursday. day, 12°; night, 9°; mostly clear
20
+14
+7
20 September, fri
+14
+7
Feels like
+6
662 mmHg
60%
4.7
m/s
SE
Climate normal
+19
+13
20 September, Friday. day, 14°; night, 7°; mostly clear
21
+17
+10
21 September, sat
+17
+10
Feels like
+7
659 mmHg
49%
4.5
m/s
S
Climate normal
+19
+13
21 September, Saturday. day, 17°; night, 10°; clear
22
+20
+13
22 September, sun
+20
+13
Feels like
+12
656 mmHg
35%
2.7
m/s
SW
Climate normal
+17
+12
22 September, Sunday. day, 20°; night, 13°; clear
23
+24
+16
23 September, mon
+24
+16
Feels like
+15
655 mmHg
22%
3.2
m/s
SW
Climate normal
+19
+14
23 September, Monday. day, 24°; night, 16°; clear
24
+23
+11
24 September, tue
+23
+11
Feels like
+10
652 mmHg
34%
8.9
m/s
NW
Climate normal
+19
+14
24 September, Tuesday. day, 23°; night, 11°; clear
25
+15
+8
25 September, wed
+15
+8
Feels like
+7
657 mmHg
49%
6.4
m/s
NW
Climate normal
+22
+16
25 September, Wednesday. day, 15°; night, 8°; light rain
26
+18
+9
26 September, thu
+18
+9
Feels like
+10
655 mmHg
41%
2.8
m/s
NW
Climate normal
+18
+12
26 September, Thursday. day, 18°; night, 9°; partly cloudy
27
+22
+16
27 September, fri
+22
+16
Feels like
+12
656 mmHg
45%
3.3
m/s
NW
Climate normal
+18
+13
27 September, Friday. day, 22°; night, 16°; mostly clear
Average data for 10 years
Next, the average data for 10 years
28
+18
+13
28 September, sat
+18
+13
Feels like
+13
668 mmHg
50%
6.9
m/s
S
28 September, Saturday. day, 18°; night, 13°; clear
Average for 30 days
25
sunny days
1
day with precipitation
4
cloudy days
25 sunny days; 1 day with precipitation; 4 cloudy days;
47
%
air humidity
4.6
m/s
Wind
NW
2
mm of precipitation
(1% of annual average)
air humidity 47%; 2 millimeters of precipitation (1% of annual average); Wind north-westerly 4.6 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
N
SE
SW
SW
N
NW
NW
W
W
W
SE
SE
SE
E
E
SE
E
E
NW
N
SE
S
SW
SW
NW
NW
NW
NW
29
Average data for 10 years
30
31
1
September
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Daytime temperature
Night-time temperature
